2.30ct Round Faceted Sapphire 7mm Durston 1114 Large Cupola Set

2.30ct Round Faceted Sapphire 7mm Durston 1114 Large Cupola SetSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the

it can also be in normal operation under insufficient sunlight environment

1 * Storage Case

-200℃~-500℃

Ametrine is a variety of Quartz

Wire Stripping Groove: 5mm

Dish Cone (Small) Shot

Supplied with a complete set of mirror-polished stakes

Material: ABS + Metal + Acrylic Lens

top quality optical product

These optional 15X eyepieces easily replace the standard 10X eyepieces in the Elite Model 1030PM microscope and increase the magnification of the microscope to 15X and 45X

we'll then order the required stock from the manufacturer

soldering and welding applications